시리아관백미꽃-[정명] Asclepias syriaca L.

과명	Asclepiadaceae	속명	Asclepias (금관화속)
전체학명	[정명] Asclepias syriaca L.	추천명	시리아관백미꽃
이명		외국명	Milkweed Common

추천명변경: 시리아카금관화 -> 시리아관백미꽃

Asclepias syriaca, commonly called common milkweed, butterfly flower, silkweed, silky swallow-wort, and Virginia silkweed, is a species of flowering plant. It is native to southern Canada and much of the United States east of the Rocky Mountains, excluding the drier parts of the prairies. It is in the genus Asclepias, the milkweeds. It grows in sandy soils as well as other kinds of soils in sunny areas.

A. syriaca is a clonal perennial forb growing up to 1.8 m (5 ft 11 in) tall. Individual plants grow from rhizomes. All parts of common milkweed plants produce a white latex when cut. The simple leaves are opposite, sometimes whorled; broadly ovate-lanceolate. They grow to 10–28 cm (4–11 in) long and 4–12 cm (1+1⁄2–4+3⁄4 in) broad, usually with entire, undulate margins and reddish main veins. They have very short petioles and velvety undersides.

The highly fragrant, nectariferous flowers vary from white (rarely) through pinkish and purplish and occur in umbellate cymes. Individual flowers are about 1 cm (0.4 in) in diameter, each with five horn-like hoods and five pollinia. The seeds, each with long, white flossy hairs, occur in large follicles. Fruit production from self-fertilization is rare. In three study plots, outcrossed flowers had an average of about 11% fruit set.

 

 

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